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| 37J10283 | U1725 | MINISTRY OF DEFENCE AIR DOMESTIC R FERENCE NUMBER USE ONLY |
| 485451 | K0654 | SAFRAN LANDING SYSTEMS UK LTD |
| AS4601-3 | K1012 | ARMSTRONG PRECISION COMPONENTS LTD |
| 4601-3 | K1209 | CROSS MANUFACTURING COMPANY (1938) LIMITED |
| AS4601-3 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |
| DEFSTAN53-14 | K0851 | MINISTRY OF DEFENCE DIRECTORATE OF STANDARDIZATION STAN 1 |
| AS4601/3 | U1653 | SOCIETY OF BRITISH AEROSPACE COMPANI LTD SBAC |